October weather forecastOpportunity, WA
October
Weather in October
October, like September, is another refreshing autumn month in Opportunity, Washington, with an average temperature varying between 38.3°F (3.5°C) and 55.9°F (13.3°C).Temperature
The onset of October brings a clear temperature shift, with the average high-temperature decreasing from a pleasant 72.5°F (22.5°C) in September to a mild 55.9°F (13.3°C). Opportunity experiences an average nighttime temperature of 38.3°F (3.5°C) in the month of October.Humidity
In Opportunity, the average relative humidity in October is 68%.Rainfall
In Opportunity, in October, during 12.2 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 125.4 rainfall days, and 17.28" (439mm) of precipitation is accumulated.Snowfall
Months with snowfall in Opportunity are January through May, September through December. In Opportunity, during October, snow falls for 0.5 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 56.4 snowfall days, and 37.4" (950mm) of snow is accumulated.Daylight
In October, the average length of the day is 10h and 50min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:27 pm. On the last day of October, sunrise is at 7:32 am and sunset at 5:32 pm PDT.
Sunshine
In Opportunity, the average sunshine in October is 6.4h.UV index
In Opportunity, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Opportunity, WA
- Average high temperature in October: 55.9°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (32°F).
- Average low temperature in October: 38.3°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in October
Opportunity, WA
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in October
Opportunity, WA
- Average wind speed in October: 5mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in October
Opportunity, WA
- Average humidity in October: 68%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (43%).
Average rainfall in October
Opportunity, WA
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is January (2.28").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in October
Opportunity, WA
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in October
Opportunity, WA
- Average snowfall in October: 0.12"
The month with the highest snowfall is January (10.51").
The months with the least snowfall are June, July and August (0").
Average snowfall days in October
Opportunity, WA
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is December (13.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Opportunity, WA
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 6h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in October
Opportunity, WA
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in October
Opportunity, WA
- Average UV index in October: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Opportunity, WA
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in October
Opportunity, WA
- Average visibility in October: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
